The total cost of materials for one candle is $2 and she pays $40 for the booth for the day.
Therefore, the total cost for making and selling one candle is $2 + $12 + $40 = $54
To cover all her expenses, Leila must sell enough candles to make $54 from each candle.
She must sell 54/$12 = 4.5 candles
Therefore, Leila needs to sell at least 5 candles to cover all her expenses.
At that point, her sales and expenses will be 5 candles x $12/candle = $60
Therefore, Leila's sales and expenses will be $60 at that point.